修改理论考试来回切换登录退出的问题

src/modules/student/lab/views/Index.vue

@@ -343,14 +343,19 @@ function handleReportPreviewReady() {
         </el-form>
         <el-tabs type="border-card" v-model="tabActive">
           <el-tab-pane :label="experimentInfo?.exam_status === 0 ? '实验训练' : '实验试题'" name="qa" lazy>
-            <Exam :experiment_id="form.experiment_id" v-model="examURL" :examStatus="experimentInfo?.exam_status" v-if="experimentInfo?.exam_status === 0"></Exam>
+            <Exam
+              :experiment_id="form.experiment_id"
+              v-model="examURL"
+              :examStatus="experimentInfo?.exam_status"
+              v-if="experimentInfo?.exam_status === 0"
+            ></Exam>
             <Question :experiment_id="form.experiment_id" v-else></Question>
           </el-tab-pane>
           <el-tab-pane
             label="理论考试"
             name="exam"
             lazy
-            v-if="experimentInfo?.exam_status === 1 && tabActive === 'exam'"
+            v-show="experimentInfo?.exam_status === 1 && tabActive === 'exam'"
           >
             <Exam :experiment_id="form.experiment_id" v-model="examURL"></Exam>
           </el-tab-pane>